STMPE1601_1 Datasheet, PDF (44/61 Pages) STMicroelectronics – 16-bit enhanced port expander with keypad and PWM controller Xpander Logic

Keypad controller
Figure 10. Maximum configuration
STMPE1601
STMPE1601
Matrix Keypad
(4*8)
Input 0-3 Input 4-7
Dedicated Keys
4*8 (32) Matrix Keys
4 Special Function Keys
4 Dedicated Keys
Special Function Keys
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